A clog-resistant plastic pump head

Abstract

This utility model belongs to the field of plastic pump head technology, and in particular to an anti-clogging plastic pump head. The proposed solution includes a spray pipe, with a connecting pipe fixedly connected to its inner bottom end. A squeezing pipe is sleeved at the bottom of the connecting pipe, and a sleeve is fitted onto the outer wall of the bottom of the squeezing pipe. A conveying pipe is sleeved inside the connecting pipe, and a squeezing bead is provided at the inner bottom end of the conveying pipe. A central tube is installed through the inside of the spray pipe, with a sealing ring fixedly connected to the outer wall of one end of the central tube, and a cleaning ring fixedly connected to the outer wall of the end of the central tube away from the sealing ring. A first spring is sleeved on the outer wall of the conveying pipe, and the inner wall of the bottom end of the conveying pipe is inclined towards the center. A third spring is fixedly installed at the top of the squeezing bead. A sealing ring is fixedly connected to the outer wall of the bottom end of the squeezing pipe. This utility model has the advantages of conveniently fixing and sealing the spray head, preventing the spray pipe from communicating with the outside when not in use, and facilitating the cleaning of internal blockages.

Description

Technical Field

[0001] This utility model relates to the field of plastic pump head technology, specifically to an anti-clogging plastic pump head. Background Technology

[0002] Plastic pump heads are commonly used in bottled liquid daily chemical products, such as shampoo bottles, shower gel bottles, and dish soap bottles. Most of them adopt the form of a push-button pump head, which pumps out the liquid from the bottle by pressing the pump head, making it convenient to use.

[0003] A clog-resistant plastic pump head, with publication number CN222254233U, belongs to the field of plastic pump heads. This anti-clogging plastic pump head includes a housing, a pressing head, and a discharge port. A piston tube is fitted inside the housing, and the housing is equipped with a first one-way valve. A second one-way valve is installed inside the piston tube. A connecting pipe is installed on the pressing head, and the connecting pipe is fitted inside the piston tube. A guide thread groove is formed inside the piston tube, and a guide thread is provided on the connecting pipe. A stirring blade is fixedly installed at the end of the piston tube away from the connecting pipe. By coordinating the piston tube, the guide thread groove, and the guide thread to rotate, the spiral-shaped stirring blade rotates, which can uniformly stir the solution before pumping out, effectively breaking up lumps, improving pumping quality while preventing clogging.

[0004] The aforementioned existing technology has some defects in use. Although the discharge port of the pump head can be pushed by the push rod, it cannot completely remove all the material inside the discharge port, which can easily form a small channel running through the center. This can lead to a narrowing of the channel during extrusion and further blockage. In addition, when not in use, the device lacks a closed structure, which can easily cause the material at the discharge port to lose moisture, leading to drying and blockage. Utility Model Content

[0005] Therefore, this utility model provides an anti-clogging plastic pump head to solve the problems in the prior art where the lack of a closed structure easily leads to the loss of material moisture at the outlet, resulting in drying and clogging, and the formation of a small through-channel in the center, which causes the channel to become smaller during extrusion and further clogging.

[0006] To achieve the above objectives, this utility model provides the following technical solution: A clog-resistant plastic pump head includes a spray pipe, a connecting pipe fixedly connected to the bottom of the spray pipe, a squeezing pipe sleeved at the bottom of the connecting pipe, a sleeve sleeved on the outer wall of the bottom of the squeezing pipe, a conveying pipe sleeved inside the connecting pipe, and a squeezing bead provided at the bottom of the conveying pipe. A central tube is installed through the inside of the spray pipe. A sealing ring is fixedly connected to the outer wall of one end of the central tube, and a cleaning ring is fixedly connected to the outer wall of the end of the central tube away from the sealing ring. The outer wall of the conveying pipe is fitted with a first spring, the inner wall of the bottom end of the conveying pipe is inclined towards the center, and the top of the extrusion bead is fixedly installed with a third spring. A sealing ring is fixedly connected to the outer wall of the bottom end of the extrusion tube, a second spring is fixedly connected to the bottom end of the sealing ring, and a sealing bead is fixedly connected to the bottom of the second spring.

[0007] Furthermore, the top end of the delivery pipe is fixedly connected to the inside of the ejection pipe, the end of the ejection pipe away from the sealing ring is closed, and the outer wall of the end of the central pipe away from the sealing ring is provided with threads, and the outer wall of the central pipe is threadedly connected to one end of the ejection pipe through the threads.

[0008] Furthermore, the top end of the conveying pipe is rotatably connected to the outer wall of the ejection pipe, the bottom end of the first spring is fixedly connected to the extrusion pipe, and the outer wall of the conveying pipe slides against the inner wall of the extrusion pipe.

[0009] Furthermore, the outer wall of the sealing ring is slidably connected to the inner wall of the sleeve, the top end of the inner wall of the sleeve is provided with a circumferential thread, and the bottom end of the outer wall of the connecting pipe is provided with a connecting thread that is threaded to the sleeve.

[0010] Furthermore, a conical sleeve is fixedly connected to the bottom end of the sleeve. The bottom end of the inner wall of the conical sleeve is inclined towards the center. The bottom outer wall of the sealing bead is pressed against the inner wall of the conical sleeve. The diameter of the sealing bead is smaller than the inner wall diameter of the sleeve.

[0011] Furthermore, a suction tube is fixedly connected to the bottom of the inner wall of the conical sleeve, and a threaded sleeve is fixedly connected to the center of the outer wall of the sleeve.

[0012] Furthermore, the outer wall of the cleaning ring is fitted with the inner wall of the spray pipe, the side of the closing ring near the closing ring is inclined towards the center, and the inner diameter of the spray pipe is larger than the outer diameter of the central pipe.

[0013] Furthermore, the inner wall of the conveying pipe is spirally provided with spiral blades, and the top of the spiral blades is fixedly connected to the spray pipe.

[0014] This utility model has the following advantages: Press down on the bottom and rotate the top nozzle, causing the nozzle to move and rotate the connecting pipe to the bottom. This allows the outer wall of the connecting pipe to reach the inner wall of the sleeve. The connecting pipe is then fixed by rotating through the thread on the bottom outer wall of the connecting pipe and the sleeve. Rotate the central tube inside the nozzle. Since one end of the central tube is threadedly connected to the nozzle, the central tube moves into the nozzle as it rotates. This causes the sealing ring to move into the nozzle, thus sealing the connection between the sealing ring and one end of the nozzle. This effectively prevents the external environment from contacting the liquid inside the nozzle.

[0015] The central tube is rotated in the opposite direction, causing it to move in the opposite direction. This, in turn, causes the cleaning ring to move in the opposite direction. Because the outer wall of the cleaning ring is in close contact with the inner wall of the spray pipe, the movement of the cleaning ring effectively moves the blockages inside the spray pipe towards one end of the spray pipe, thus clearing the blockages. Furthermore, the spray pipe can be easily rotated during use, causing the spray pipe to drive the spiral blades to rotate. This allows the material inside the conveying pipe to be propelled upwards, clearing blockages inside the conveying pipe and thoroughly cleaning impurities and blockages inside both the spray pipe and the conveying pipe. Attached Figure Description

[0016] To more clearly illustrate the embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are merely exemplary, and those skilled in the art can derive other embodiments based on the provided drawings without creative effort.

[0017] The structures, proportions, sizes, etc. illustrated in this specification are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed herein, and are not intended to limit the implementation conditions of this utility model. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size, without affecting the effects and objectives that this utility model can produce, should still fall within the scope of the technical content disclosed in this utility model.

[0018] Figure 1 A schematic diagram of the overall structure of this utility model; Figure 2 A cross-sectional view of the internal structure provided for this utility model; Figure 3 This is a schematic diagram of the internal cross-sectional structure of the present invention; Figure 4 A schematic diagram of the sleeve structure provided by this utility model; Figure 5This is a schematic diagram of the internal structure of the conveying pipe provided by this utility model.

[0019] In the diagram: 1. Ejector pipe; 101. Central pipe; 102. Sealing ring; 103. Cleaning ring; 2. Connecting pipe; 201. Conveying pipe; 202. First spring; 203. Spiral blade; 3. Extrusion pipe; 301. Sealing ring; 302. Second spring; 303. Sealing bead; 4. Sleeve; 401. Conical sleeve; 402. Suction pipe; 403. Threaded sleeve; 5. Extrusion bead; 501. Third spring. Detailed Implementation

[0020] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] refer to Figure 1-5 The illustrated anti-clogging plastic pump head includes a spray pipe 1, a connecting pipe 2 fixedly connected to the bottom of the spray pipe 1, a squeezing pipe 3 sleeved at the bottom of the connecting pipe 2, a sleeve 4 sleeved on the outer wall of the bottom of the squeezing pipe 3, a conveying pipe 201 sleeved inside the connecting pipe 2, and a squeezing bead 5 disposed at the bottom of the conveying pipe 201; a central pipe 101 is disposed through the inside of the spray pipe 1, a sealing ring 102 is fixedly connected to the outer wall of one end of the central pipe 101, and a cleaning ring 103 is fixedly connected to the outer wall of the end of the central pipe 101 away from the sealing ring 102; a first spring 202 is sleeved on the outer wall of the conveying pipe 201, the inner wall of the bottom end of the conveying pipe 201 is inclined towards the center, and a third spring 501 is fixedly installed on the top of the squeezing bead 5; a sealing ring 301 is fixedly connected to the outer wall of the bottom end of the squeezing pipe 3, a second spring 302 is fixedly connected to the bottom end of the sealing ring 301, and a sealing bead 303 is fixedly connected to the bottom of the second spring 302.

[0022] refer to Figure 2 , Figure 3As shown, the top end of the delivery pipe 201 is fixedly connected to the inside of the spray pipe 1. The end of the spray pipe 1 away from the closing ring 102 is closed, and the outer wall of the end of the central pipe 101 away from the closing ring 102 is threaded. The outer wall of the central pipe 101 is threadedly connected to one end of the spray pipe 1. The outer wall of the cleaning ring 103 is in contact with the inner wall of the spray pipe 1. The side of the closing ring 102 near the closing ring 102 is inclined towards the center. The inner diameter of the spray pipe 1 is larger than the outer diameter of the central pipe 101. Rotating the central pipe 101 inside the spray pipe 1 causes the central pipe 101 to move into the spray pipe 1 as it rotates, thus causing the closing ring 102 to move into the spray pipe 1. This achieves the connection and closure between the closing ring 102 and one end of the spray pipe 1. Rotating the central pipe 101 in the opposite direction causes the central pipe 101 to move in the opposite direction, which in turn drives the cleaning ring 103 to move in the opposite direction.

[0023] refer to Figure 2 , Figure 5 As shown, the top end of the conveying pipe 201 is rotatably connected to the outer wall of the spray pipe 1, the bottom end of the first spring 202 is fixedly connected to the extrusion pipe 3, the outer wall of the conveying pipe 201 slides against the inner wall of the extrusion pipe 3, and the inner wall of the conveying pipe 201 is spirally provided with a spiral blade 203. The top of the spiral blade 203 is fixedly connected to the spray pipe 1. Rotating the spray pipe 1 causes the spiral blade 203 to rotate, thereby causing the material inside the conveying pipe 201 to be moved to the top, thereby clearing the blockage inside the conveying pipe 201. This method can thoroughly clean the impurities and blockages inside the spray pipe 1 and the conveying pipe 201, which is very convenient.

[0024] refer to Figure 3 , Figure 4 As shown, the outer wall of the sealing ring 301 is slidably connected to the inner wall of the sleeve 4. The top end of the inner wall of the sleeve 4 is provided with a circumferential thread, and the bottom end of the outer wall of the connecting tube 2 is provided with a connecting thread that is threaded to the sleeve 4. A conical sleeve 401 is fixedly connected to the bottom end of the sleeve 4. The bottom end of the inner wall of the conical sleeve 401 is inclined towards the center. The bottom outer wall of the sealing bead 303 is pressed against the inner wall of the conical sleeve 401. The diameter of the sealing bead 303 is smaller than the inner wall diameter of the sleeve 4. A suction tube 402 is fixedly connected to the bottom end of the inner wall of the conical sleeve 401. A threaded sleeve 403 is fixedly connected to the center of the outer wall of the sleeve 4. The squeezing tube 3 drives the sealing ring 301 to move towards the bottom of the sleeve 4. Due to the compression of the second spring 302 inside the sleeve 4, the sealing bead 303 is prevented from moving towards the top. Thus, the bottom of the sleeve 4 is squeezed and sealed by the sealing bead 303, thereby squeezing the liquid inside the sleeve 4 and the squeezing tube 3 towards the top.

[0025] Working principle: During use, the straw 402 can be easily inserted into the corresponding bottle. It connects to the bottle via the threaded sleeve 403 on the outer wall of the sleeve 4. When squeezing is required, the spray tube 1 can be easily pressed down, causing the connecting tube 2 to move down, which in turn moves the squeezing tube 3 down. This causes the squeezing tube 3 to move the sealing ring 301 towards the bottom of the sleeve 4. Inside the sleeve 4, the second spring 302 prevents the sealing bead 303 from moving up, thus sealing the bottom of the sleeve 4. This forces the liquid inside the sleeve 4 and squeezing tube 3 to be squeezed upwards, pushing the squeezing bead 5 upwards and releasing the squeezing pressure. The sealing bead 5 closes the bottom of the delivery pipe 201, allowing the liquid to pass through the delivery pipe 201 into the spray pipe 1, and then be squeezed out through the spray pipe 1 to complete the operation. After the spray pipe 1 is released, the delivery pipe 201 and the extrusion pipe 3 can be pushed upward by the first spring 202 and the second spring 302. Then, the extrusion bead 5 at the top is squeezed by the third spring 501 to close the bottom of the delivery pipe 201. At the same time, the sealing bead 303 at the bottom of the sleeve 4 is released from compression, and the sealing bead 303 can be moved upward by the air pressure, thereby releasing the closure at the bottom of the sleeve 4. Then, the liquid at the bottom can be easily sucked into the sleeve 4 and the extrusion pipe 3 through the suction pipe 402 to complete one operation cycle.

[0026] When it is necessary to stop using the device, the top of the nozzle 1 can be easily pressed down and rotated. This causes the nozzle 1 to move the connecting pipe 2 to the bottom and rotate simultaneously. This allows the outer wall of the connecting pipe 2 to reach the inner wall of the sleeve 4. The connecting pipe 2 is then connected to the sleeve 4 via the thread on the bottom outer wall of the connecting pipe 2, thus fixing the connecting pipe 2 and preventing the first spring 202 and the second spring 302 from pushing the squeezing pipe 3 to the top. This effectively prevents the nozzle 1 from being accidentally squeezed out of liquid. At the same time, the central tube 101 inside the nozzle 1 is rotated. Since one end of the central tube 101 is threadedly connected to the nozzle 1, the central tube 101 moves into the nozzle 1 during rotation. This causes the sealing ring 102 to move into the nozzle 1, thus sealing the connection between the sealing ring 102 and one end of the nozzle 1. This effectively prevents the external environment from contacting the liquid inside the nozzle 1, preventing moisture loss and preventing the liquid from drying out and clogging the nozzle 1.

[0027] When the spray pipe 1 becomes internally blocked, the central pipe 101 can be easily rotated in the reverse direction, causing the central pipe 101 to move in the opposite direction. In turn, the central pipe 101 drives the cleaning ring 103 to move in the reverse direction. Since the outer wall of the cleaning ring 103 is tightly fitted to the inner wall of the spray pipe 1, the movement of the cleaning ring 103 can effectively move the blockage inside the spray pipe 1 towards one end of the spray pipe 1, thereby clearing the blockage. At the same time, the spray pipe 1 can also be easily rotated during use, causing the spray pipe 1 to drive the spiral blade 203 to rotate, thereby causing the material inside the conveying pipe 201 to be moved to the top, thereby clearing the blockage inside the conveying pipe 201. It can thoroughly clean the impurities and blockages inside the spray pipe 1 and the conveying pipe 201, which is very convenient.

[0028] Although the present invention has been described in detail above with general descriptions and specific embodiments, some modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, all such modifications or improvements made without departing from the spirit of the present invention fall within the scope of protection claimed by the present invention.

Claims

1. A clog-resistant plastic pump head, comprising a discharge pipe (1), characterized in that, The bottom of the ejector pipe (1) is fixedly connected to a connecting pipe (2), the bottom of the connecting pipe (2) is fitted with a squeezing pipe (3), the bottom outer wall of the squeezing pipe (3) is fitted with a sleeve (4), the inside of the connecting pipe (2) is fitted with a conveying pipe (201), and the bottom of the conveying pipe (201) is provided with a squeezing bead (5). The inside of the ejector pipe (1) is provided with a central pipe (101), a sealing ring (102) is fixedly connected to the outer wall of one end of the central pipe (101), and a cleaning ring (103) is fixedly connected to the outer wall of the end of the central pipe (101) away from the sealing ring (102). The outer wall of the conveying pipe (201) is fitted with a first spring (202), the inner wall of the bottom end of the conveying pipe (201) is inclined towards the center, and the top end of the extrusion bead (5) is fixedly installed with a third spring (501). A sealing ring (301) is fixedly connected to the outer wall of the bottom end of the extrusion tube (3), a second spring (302) is fixedly connected to the bottom end of the sealing ring (301), and a sealing bead (303) is fixedly connected to the bottom of the second spring (302).

2. The anti-clogging plastic pump head according to claim 1, characterized in that, The top end of the delivery pipe (201) is fixedly connected to the inside of the ejector pipe (1). The end of the ejector pipe (1) away from the closing ring (102) is closed, and the outer wall of the end of the central pipe (101) away from the closing ring (102) is provided with threads. The outer wall of the central pipe (101) is connected to one end of the ejector pipe (1) through the threads.

3. The anti-clogging plastic pump head according to claim 1, characterized in that, The top end of the delivery pipe (201) is rotatably connected to the outer wall of the ejection pipe (1), and the bottom end of the first spring (202) is fixedly connected to the extrusion pipe (3).

4. The anti-clogging plastic pump head according to claim 1, characterized in that, The outer wall of the sealing ring (301) is slidably connected to the inner wall of the sleeve (4). The top of the inner wall of the sleeve (4) is provided with a circumferential thread, and the bottom of the outer wall of the connecting pipe (2) is provided with a connecting thread that is threadedly connected to the sleeve (4).

5. The anti-clogging plastic pump head according to claim 2, characterized in that, The bottom end of the sleeve (4) is fixedly connected to a conical sleeve (401). The bottom end of the inner wall of the conical sleeve (401) is inclined towards the center. The bottom outer wall of the sealing bead (303) is pressed against the inner wall of the conical sleeve (401). The diameter of the sealing bead (303) is smaller than the inner wall diameter of the sleeve (4).

6. The anti-clogging plastic pump head according to claim 5, characterized in that, A suction tube (402) is fixedly connected to the bottom of the inner wall of the conical sleeve (401), and a threaded sleeve (403) is fixedly connected to the center of the outer wall of the sleeve (4).

7. The anti-clogging plastic pump head according to claim 1, characterized in that, The outer wall of the cleaning ring (103) is in contact with the inner wall of the spray pipe (1), the side of the closing ring (102) near the closing ring (102) is inclined towards the center, and the inner diameter of the spray pipe (1) is larger than the outer diameter of the central pipe (101).

8. The anti-clogging plastic pump head according to claim 1, characterized in that, The outer wall of the conveying pipe (201) slides against the inner wall of the extrusion pipe (3), and the inner wall of the conveying pipe (201) is spirally provided with a spiral blade (203), the top of the spiral blade (203) being fixedly connected to the ejection pipe (1).

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